Important terms related to a spherical mirror
Trending Questions
Define focus
what is the focal length of plane mirror
A ray of light falling parallel to the principal axis on a convex mirror follows ray number
If the radius of curvature of the convex mirror is find the focal length.
Write uses of plane mirror.
The focal length of a concave mirror is 0.15 m. What will be its radius of curvature?
What is the value of the focal length of plane mirror
- (34)f
- (43)f
- f
- (73)f
A concave mirror is held in water. What would be the change in the focal length of the mirror? [1 MARK]
The radius of curvature of a concave mirror is 10cm. The image of the sun will be formed at a distance
The laws of reflection hold good for
(a) plane mirror only
(b) concave mirror only
(c) convex mirror only
(d) all mirrors irrespective of their shape
- The radius of curvature of the mirror
- The object distance from the mirror
- The image distance from the mirror
- Both the image and the object distance
A concave mirror is also known as a diverging mirror.
- True
- False
- Plane mirror
- convex mirror
- Concave mirror
- None of these.
What was the advantage of having HST design with two hyperbolic mirrors?
‘x’ in the diagram represents:
Focus
Centre of curvature
Optical Centre
Pole
- Increase
- Decrease
- Remain unchanged
- Depend on the nature of liquid
- 2.0
- 0.2
- 1.5
- 0.5
- 10cm
- None
- 20cm
- 80cm
- Centre of curvature
- Focus principal (F)
- Pole (P)
- None
- W
- X
- Y
- Z
The point F is the :
- Principal axis
- Principal focus
- Pole
- None
- pole and focus
- pole and centre of curvature
- focus and radius of curvature
- centre of curvature and mirror